UniAll AI SEO/GEO · Nano Banana 2 2K · 2026-06-01

What is Nano Banana 2 2K?

Nano Banana 2 2K is an AI image generation model designed for sharper commercial visuals, including ecommerce product images, marketing posters, social media creatives, and brand assets. On UniAll AI, the public model id is `NanoBanana2-2K`.

The model supports both text-to-image and image-to-image workflows, making it useful when you want to create visuals from a prompt or transform a reference image into a more polished output.

Best use cases

Nano Banana 2 2K is a practical fit for teams that need higher-detail image outputs without building their own image generation infrastructure.

Common use cases include:

• Ecommerce hero images and product listing visuals
• Product poster generation for ads and campaigns
• Branded social media graphics
• Concept visuals for marketing teams
• Reference-image-based creative variations
• Automated image generation inside internal tools or SaaS products

The 2K resolution tier is especially useful when you need more detail than low-resolution drafts but do not always require 4K output.

Who should use it?

Nano Banana 2 2K is suitable for:

• Ecommerce operators creating product images at scale
• Marketing teams producing posters and campaign visuals
• Developers adding AI image generation to apps
• Agencies building repeatable creative workflows
• SaaS platforms that need an image generation API
• Businesses that need async image generation with predictable per-image billing

API capabilities

On UniAll AI, `NanoBanana2-2K` is available through an async image generation endpoint.

Supported modes:

• `text_to_image`: generate an image from a prompt
• `image_to_image`: generate or transform an image using a prompt and one reference image

Core endpoint:

```http POST /v1/images/generations ```

Required parameter:

• `prompt`: text instruction for the image

Optional parameters:

• `generation_mode`: `text_to_image` or `image_to_image`
• `image_url`: reference image URL for image-to-image generation
• `aspect_ratio`: `1:1`, `16:9`, `9:16`, `4:3`, or `3:4`
• `resolution`: `0.5K`, `1K`, `2K`, or `4K`
• `num_images`: 1 to 4 images per request

Example request:

```json { "model": "NanoBanana2-2K", "generation_mode": "image_to_image", "prompt": "A premium product poster with clean lighting, sharp details, and a minimal studio background.", "image_url": "https://example.com/reference.png", "aspect_ratio": "1:1", "resolution": "2K", "num_images": 1 } ```

Pricing angle

Nano Banana 2 2K is billed per generated image. The listed UniAll AI user price for the 2K tier is about `$0.082 / image`.

Available resolution-based user pricing:

| Resolution | User price | |---|---:| | 0.5K | $0.0408 / image | | 1K | $0.0544 / image | | 2K | $0.0816 / image | | 4K | $0.1088 / image |

For production workflows, choose the resolution based on the final channel. Use 0.5K or 1K for drafts, 2K for most commercial assets, and 4K when the image needs extra detail for premium display or post-processing.

Workflow tips

For better results:

• Keep prompts specific about subject, lighting, background, and composition
• Use `image_to_image` when preserving a product, character, or visual direction matters
• Set the aspect ratio before generation to match the final placement
• Generate multiple candidates when exploring creative directions
• Use lower resolutions for testing and 2K or 4K for final delivery

Why use Nano Banana 2 2K through UniAll AI?

UniAll AI provides a unified API layer for image generation models, making it easier to integrate Nano Banana 2 2K into applications, automation tools, and business workflows. Developers can call the model with a consistent request structure, while teams can manage image generation with resolution-based pricing and async execution.